Ctenomys "yolandae", 1984

Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Ctenomyidae, Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona: Lynx Edicions, pp. 498-534 : 532

59.

Santa Fe Tuco-tuco

Ctenomys "yolandae"

French: Tuco-tuco de Yolanda / German: Santa-Fe-Kammratte / Spanish: Tuco tuco de Yolanda

Other common names: Yolanda's Tuco-tuco

Taxonomy. Ctenomys yolandae J. R. Contreras & Berry, 1984 ,

“Las Palmas, Departamento General Obligado, Provincia de Santa Fe,” Argentina, 29°25’ S, 59°40’ W, 50 m .

Ctenomys “yolandae” has not been classified in any species group and is reported as a distinct entity regarding karyotype and at molecular levels. Chromosomal complement is 2n = 50 and FN = 78 at the type locality and FN = 67 and 70 at other localities. Sperm form is complex asymmetric, which occurs only in this species. Monotypic.

Distribution. N Argentina (E Santa Fe Province), along Parana and San Javier rivers. The distribution is disjunct, separated by low and floodable lands.

Descriptive notes. Total length ¢.230 mm. The Santa Fe Tuco-tuco is relatively small. It shares morphological characteristics with the Cordoba Tuco-tuco (C. bergi ) and Bonetto’s Tuco-tuco (C. bonettor). Phyletic proximity between these species and the Santa Fe Tuco-tuco was determined by mtDNA.

Habitat. There is no information available for this species.

Food and Feeding. There is no information available for this species.

Breeding. There is no information available for this species.

Activity patterns. There is no information available for this species.

Movements, Home range and Social organization. There is no information available for this species.

Status and Conservation. Classified as Data deficient on The IUCN Red List.

Bibliography. Ortells et al. (1990), Vitullo et al. (1988).

Figures

44. Peruvian Tuco-tuco (Cienomys peruanus), 45. White-toothed Tuco-tuco (Ctenomys leucodon), 46. Maria Farell’s Tuco-tuco Ctenomys (“ mariafarelli’), 47. Black-backed Tuco-tuco (Ctenomys dorsalis), 48. Paraguayan Tuco-tuco (Ctenomys paraguayensis), 49. Pilar Tuco-tuco (Ctenomys pilarensis), 50. Maule Tuco-tuco (Ctenomys maulinus), 51. Bonetto’s Tuco-tuco (Ctenomys bonettoi), 52. Puntlla Tuco-tuco (Ctenomys coludo), 53. Famatina Tuco-tuco (Ctenomys famosus), 54. Foch’s Tuco-tuco (Clenomys fochi), 55. Jujuy Tuco-tuco (Clenomys juris), 56. Catamarca Tuco-tuco (Clenomys knight), 57. Robust Tuco-tuco (Ctenomys tuconax), 58. Monte Tuco-tuco (Cienomys viperinus), 59. Santa Fe Tuco-tuco Ctenomys (“ yolandae’), 60. Azara’s Tuco-tuco (Ctenomys azarae), 61. Cordoba Tuco-tuco (Ctenomys bergi), 62. San Juan Tuco-tuco (Ctenomys johannis), 63. Osvaldo Reig’s Tuco-tuco (Ctenomys osvaldoreigi), 64. Brown Tuco-tuco (Citenomys pontifex), 65. Rosendo Pascual’s Tuco-tuco (Ctenomys rosendopascuali), 66. Sierra Tontal Tuco-tuco (Clenomys tulduco), 67. Guaymallen Tuco-tuco (Clenomys validus), 68. Emilio’s Tuco-tuco (Ctenomys emilianus), 69. Colonial Tuco-tuco (Ctenomys sociabilis)

Distribution. N Argentina (E Santa Fe Province), along Parana and San Javier rivers. The distribution is disjunct, separated by low and floodable lands.